flight controller switch control mode and three-axis (AVCS) mode Adopts angle vector control algorithm, test and angle of 3-Axis. mode greatly improves airplanes stablity. switch channel to switch mode during flight. Color: Black Material: ABS Size: 26*39mm Weight: about 6g Working Volt: 3.5-6V Sensitivity debug,we suggest that in lowest position in maiden flight,and according to 5 mins range Each to process the Test flight adjustment. When the flight controller settings,in 50% position,please do not put the set settings as standard,and adjust right sensitivity according to your airplane and power parameter. Package list: 1 * P1-GYRO 3-Axis Flight Controller Stabilizer System Gyro (With accessories) 1 * Instruction Manual Note:Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3 cm.